> On Feb 12, 2019, at 4:57 PM, Yu Zhao wrote:
>
> It seems to me it's pefectly fine to use fields of xas directly,
> and it's being done this way throughout the file.
Fair enough.
Reviewed-by: William Kucharski
On Thu, Jan 10, 2019 at 04:43:57AM -0700, William Kucharski wrote:
>
>
> > On Jan 9, 2019, at 8:08 PM, Yu Zhao wrote:
> >
> > find_get_pages_range() and find_get_pages_range_tag() already
> > correctly increment reference count on head when seeing compound
> > page, but they may still use page
> On Jan 9, 2019, at 8:08 PM, Yu Zhao wrote:
>
> find_get_pages_range() and find_get_pages_range_tag() already
> correctly increment reference count on head when seeing compound
> page, but they may still use page index from tail. Page index
> from tail is always zero, so these functions don't
find_get_pages_range() and find_get_pages_range_tag() already
correctly increment reference count on head when seeing compound
page, but they may still use page index from tail. Page index
from tail is always zero, so these functions don't work on huge
shmem. This hasn't been a problem because, AFA
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